JP4527848B2 - 先端を断熱した翼形部 - Google Patents

先端を断熱した翼形部 Download PDF

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Publication number
JP4527848B2
JP4527848B2 JP2000155577A JP2000155577A JP4527848B2 JP 4527848 B2 JP4527848 B2 JP 4527848B2 JP 2000155577 A JP2000155577 A JP 2000155577A JP 2000155577 A JP2000155577 A JP 2000155577A JP 4527848 B2 JP4527848 B2 JP 4527848B2
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JP
Japan
Prior art keywords
tip
groove
turbine airfoil
airfoil
tip cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2000155577A
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English (en)
Japanese (ja)
Other versions
JP2001050004A5 (enrdf_load_stackoverflow
JP2001050004A (ja
Inventor
ビクター・フーゴ・シルバ・コレイア
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2001050004A publication Critical patent/JP2001050004A/ja
Publication of JP2001050004A5 publication Critical patent/JP2001050004A5/ja
Application granted granted Critical
Publication of JP4527848B2 publication Critical patent/JP4527848B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2000155577A 1999-07-29 2000-05-26 先端を断熱した翼形部 Expired - Fee Related JP4527848B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/363,727 US6135715A (en) 1999-07-29 1999-07-29 Tip insulated airfoil
US09/363727 1999-07-29

Publications (3)

Publication Number Publication Date
JP2001050004A JP2001050004A (ja) 2001-02-23
JP2001050004A5 JP2001050004A5 (enrdf_load_stackoverflow) 2007-07-12
JP4527848B2 true JP4527848B2 (ja) 2010-08-18

Family

ID=23431457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000155577A Expired - Fee Related JP4527848B2 (ja) 1999-07-29 2000-05-26 先端を断熱した翼形部

Country Status (4)

Country Link
US (1) US6135715A (enrdf_load_stackoverflow)
EP (1) EP1072759B1 (enrdf_load_stackoverflow)
JP (1) JP4527848B2 (enrdf_load_stackoverflow)
DE (1) DE60027967T2 (enrdf_load_stackoverflow)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6164914A (en) * 1999-08-23 2000-12-26 General Electric Company Cool tip blade
US6755619B1 (en) * 2000-11-08 2004-06-29 General Electric Company Turbine blade with ceramic foam blade tip seal, and its preparation
FR2830873B1 (fr) * 2001-10-16 2004-01-16 Snecma Moteurs Procede de protection par aluminisation de pieces metalliques constituees au moins en partie par une structure en nid d'abeilles
WO2004016405A1 (en) * 2002-08-16 2004-02-26 Johnson & Johnson Vision Care, Inc. Molds for producing contact lenses
EP1557533B1 (de) * 2004-01-23 2008-03-12 Siemens Aktiengesellschaft Kühlung einer Turbinenschaufel mit einem Doppelboden zwischen Schaufelblatt und Schaufelspitze
US7320575B2 (en) * 2004-09-28 2008-01-22 General Electric Company Methods and apparatus for aerodynamically self-enhancing rotor blades
US7189060B2 (en) * 2005-01-07 2007-03-13 Siemens Power Generation, Inc. Cooling system including mini channels within a turbine blade of a turbine engine
FR2934008B1 (fr) * 2008-07-21 2015-06-05 Turbomeca Aube creuse de roue de turbine comportant une nervure
US8167573B2 (en) * 2008-09-19 2012-05-01 Siemens Energy, Inc. Gas turbine airfoil
US8092178B2 (en) * 2008-11-28 2012-01-10 Pratt & Whitney Canada Corp. Turbine blade for a gas turbine engine
US8342797B2 (en) * 2009-08-31 2013-01-01 Rolls-Royce North American Technologies Inc. Cooled gas turbine engine airflow member
US8444371B2 (en) * 2010-04-09 2013-05-21 General Electric Company Axially-oriented cellular seal structure for turbine shrouds and related method
DE102010062087A1 (de) * 2010-11-29 2012-05-31 Siemens Aktiengesellschaft Strömungsmaschine mit Dichtstruktur zwischen drehenden und ortsfesten Teilen sowie Verfahren zur Herstellung dieser Dichtstruktur
US9353631B2 (en) 2011-08-22 2016-05-31 United Technologies Corporation Gas turbine engine airfoil baffle
US9091177B2 (en) 2012-03-14 2015-07-28 United Technologies Corporation Shark-bite tip shelf cooling configuration
US9249667B2 (en) * 2012-03-15 2016-02-02 General Electric Company Turbomachine blade with improved stiffness to weight ratio
US9097126B2 (en) * 2012-09-12 2015-08-04 General Electric Company System and method for airfoil cover plate
US9546554B2 (en) 2012-09-27 2017-01-17 Honeywell International Inc. Gas turbine engine components with blade tip cooling
GB201222974D0 (en) * 2012-12-19 2013-01-30 Composite Technology & Applic Ltd An aerofoil structure
US9896943B2 (en) * 2014-05-12 2018-02-20 Honeywell International Inc. Gas path components of gas turbine engines and methods for cooling the same using porous medium cooling systems
DE102016205320A1 (de) * 2016-03-31 2017-10-05 Siemens Aktiengesellschaft Turbinenschaufel mit Kühlstruktur
US20180051571A1 (en) * 2016-08-16 2018-02-22 General Electric Company Airfoil for a turbine engine with porous rib
US20180051566A1 (en) * 2016-08-16 2018-02-22 General Electric Company Airfoil for a turbine engine with a porous tip
US10400608B2 (en) 2016-11-23 2019-09-03 General Electric Company Cooling structure for a turbine component
DE102017209421A1 (de) * 2017-06-02 2018-12-06 MTU Aero Engines AG Laufschaufel mit Schaufelspitzenkühlung
US10590777B2 (en) * 2017-06-30 2020-03-17 General Electric Company Turbomachine rotor blade
US10301943B2 (en) * 2017-06-30 2019-05-28 General Electric Company Turbomachine rotor blade
US10982553B2 (en) * 2018-12-03 2021-04-20 General Electric Company Tip rail with cooling structure using three dimensional unit cells
US12031501B2 (en) * 2019-11-27 2024-07-09 General Electric Company Cooling system for an engine assembly
US11215061B2 (en) * 2020-02-04 2022-01-04 Raytheon Technologies Corporation Blade with wearable tip-rub-portions above squealer pocket

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1335002A (en) * 1917-08-20 1920-03-30 Westinghouse Electric & Mfg Co Blade
NL142752B (nl) * 1947-10-28 Tone Boring Co Graafmachine.
US3096930A (en) * 1961-06-26 1963-07-09 Meyerhoff Leonard Propeller design
US4169692A (en) * 1974-12-13 1979-10-02 General Electric Company Variable area turbine nozzle and means for sealing same
FR2452590A1 (fr) * 1979-03-27 1980-10-24 Snecma Garniture d'etancheite amovible pour segment de distributeur de turbomachine
US4519745A (en) * 1980-09-19 1985-05-28 Rockwell International Corporation Rotor blade and stator vane using ceramic shell
US4411597A (en) * 1981-03-20 1983-10-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Tip cap for a rotor blade
US4487550A (en) * 1983-01-27 1984-12-11 The United States Of America As Represented By The Secretary Of The Air Force Cooled turbine blade tip closure
GB2155558A (en) * 1984-03-10 1985-09-25 Rolls Royce Turbomachinery rotor blades
JPS62223402A (ja) * 1986-03-24 1987-10-01 Toshiba Corp タ−ビン動翼の先端冷却構造
JP3416184B2 (ja) * 1993-02-03 2003-06-16 三菱重工業株式会社 ガスタービン空冷動翼の翼先端部の冷却構造
US5733102A (en) * 1996-12-17 1998-03-31 General Electric Company Slot cooled blade tip
US5752802A (en) * 1996-12-19 1998-05-19 Solar Turbines Incorporated Sealing apparatus for airfoils of gas turbine engines
US5738491A (en) * 1997-01-03 1998-04-14 General Electric Company Conduction blade tip

Also Published As

Publication number Publication date
US6135715A (en) 2000-10-24
JP2001050004A (ja) 2001-02-23
DE60027967D1 (de) 2006-06-22
EP1072759A1 (en) 2001-01-31
EP1072759B1 (en) 2006-05-17
DE60027967T2 (de) 2007-01-04

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